Site #9: Angelica Creek
Upstream of Rt. 724
Basin(s): Northwest Schuylkill Basin, Long-Term Sampling Sites
| Location | |
|---|---|
| Site number | 9 |
| Description | Upstream of Rt. 724 |
| Latitude (decimal) | 40.2972 |
| Longitude (decimal) | -75.9458 |
| Land Use | |
| Watershed area (km2) | 14 |
| Percent developed | 3.6 |
| Percent in agriculture | 19.0 |
| Percent forested | 76 |
| Percent wetland or water | 0.3 |
| Percent in quarries or mining | 0.0 |
| Chemistry | |
| Nitrate (mg/L) | 1.0 |
| Total dissolved phosphorus (mg/L) | 0.021 |
| pH | 7.9 |
| Conductivity (μmhos) | 177 |
| Alkalinity (as mg/L CaCO3) | 41 |
| Macroinvertebrate Data | |
| Years sampled | 1996-2007 |
| MAIS score | 10.1 |
| Water quality based on MAIS score | fair |
| 1st most abundant macroinvertebrate | Chironomidae (midges) |
| 2nd most abundant macroinvertebrate | Oligochaeta (aquatic earthworms) |
| 3rd most abundant macroinvertebrate | Ephemerellidae (spiny crawler mayflies) |
| 4th most abundant macroinvertebrate | Hydropsychidae (common netspinner caddisflies) |
| 5th most abundant macroinvertebrate | Simuliidae (black flies) |
| 6th most abundant macroinvertebrate | Tipulidae (crane flies) |
| 7th most abundant macroinvertebrate | Elmidae (riffle beetles) |
| 8th most abundant macroinvertebrate | Empididae (aquatic dance flies) |
| 9th most abundant macroinvertebrate | Naididae (naidid worms) |
| 10th most abundant macroinvertebrate | Nemouridae (nemourid stoneflies) |
